<template>
  <div class="container">
    <div class="app-container">
      <el-tree default-expand-all :expand-on-click-node="false" :data="depts" :props="defaultProps">
        <template v-slot="{data}">
          <el-row style="width:100%;height:40px" type="flex" justify="space-between" align="middle">
            <el-col>{{ data.name }}</el-col>
            <el-col :span="4">
              <span class="tree-manager">{{ data.managerName }}</span>
              <el-dropdown trigger="click" @command="operateDept($event,data.id)">
                <span class="el-dropdown-link">
                  操作<i class="el-icon-arrow-down el-icon--right" />
                </span>
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
        </template>
      </el-tree>
    </div>
    <addDept ref="addDept" :dialog-visible.sync="dialogVisible" :add-id="addId" @listChange="handleChange" />
  </div>
</template>
<script>
import { getDepartment, delDepartment } from '@/api/department'
import { transListToTreeData } from '@/utils'
import addDept from './component/add-dept.vue'
export default {
  name: 'Department',
  components: {
    addDept
  },
  data() {
    return {
      depts: [],
      defaultProps: {
        children: 'children',
        babel: 'name'
      },
      // 弹出层
      dialogVisible: false,
      addId: 0
    }
  },
  created() {
    this.getDepartment()
  },
  methods: {
    // 获取部门列表
    async getDepartment() {
      const result = await getDepartment()
      this.depts = transListToTreeData(result, 0)
    },
    async operateDept(value, id) {
      if (value === 'add') {
        this.dialogVisible = true
        this.addId = id
      } else if (value === 'edit') {
        this.dialogVisible = true
        this.addId = id
        this.$nextTick(async() => {
          await this.$refs.addDept.getDepartmentDetail()
        })
      } else {
        this.$confirm('你确定要删除吗').then(async() => {
          await delDepartment(id)
          this.$message.success('删除成功')
          this.getDepartment()
        })
      }
    },
    // 监听子组件重新渲染事件
    handleChange() {
      this.getDepartment()
    }
  }
}
</script>
<style scoped>
.app-container{
  padding:30px 140px;
  font-size: 14px;
}
.tree-manager{
  width: 50px;
  display: inline-block;
  margin: 10px;
}
</style>
